---
title: "Monique Giselle Diaz | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/monique-giselle-diaz"
page_type: "judge_profile"
updated: "2026-08-02"
---

# Monique Giselle Diaz

Texas 150th District Court · District Judge, Bexar County 150th Civil District Court

## Profile

- Court: Texas 150th District Court
- State: Texas
- Role: District Judge, Bexar County 150th Civil District Court
- Service status: active
- Last verified: 2026-07-28

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career

- Presiding Judge, Texas 150th Judicial District Court, TX, 2019-2022
- Elected 2018 to the 150th Civil District Court, becoming the youngest Latina Civil District Judge in Texas at the time
- Principle Partner, Maldonado Diaz, PLLC, San Antonio, TX, 2015-2017
- Lead Counsel, Jeff Davis Law Firm, San Antonio, TX, 2015-2015
- Principal Partner, Morales & Diaz, PLLC, San Antonio, TX, 2011-2014
- Adjunct professor of law at St. Mary’s University School of Law

### Education

- B.A. in Sociology from the University of Texas at Austin (2006) and her J.D. from St. Mary’s University School of Law (2009).

### Additional information

- Practitioner, Monique Diaz Law Firm, PLLC, San Antonio, TX, 2017-present
- Practitioner, The Pfullmann Law Firm, San Antonio, TX, 2010-2011
- Before joining the judiciary, Diaz practiced law for nearly a decade, running her own firm and serving as lead counsel at multiple San Antonio law firms.
- Presides over family law, personal injury, business, and land disputes.
- Serves on the Bexar County Juvenile Board and is Co-Chair of the joint city-county Collaborative Commission on Domestic Violence.
- She is the first in her family to graduate from college.
- She represented low-income families, victims of domestic violence, civil litigants, and small businesses, and also worked for non-profits and government agencies.
- She held the role of a City Attorney and City Prosecutor for municipalities statewide.
- Monique Diaz is a San Antonio native raised by her Puerto Rican mother and Dominican father.
- Birth place: San Antonio, TX

## Before you appear

- Read the judge-specific standing order first when one is listed.
- Check the docket and case orders for requirements that supersede broader guidance.
- Confirm current remote-access and courtroom technology arrangements before the proceeding.

## Courtroom Rules

### courtroom technology

Scope: courtwide

Bexar County publishes operating guidance for courtroom presentation equipment, including V Cart displays, BARCO wireless casting, ELMO document cameras, and audio or video playback.

Evidence excerpt: Upgraded equipment is in all courtrooms in the Bexar County Courthouse including civil, criminal, probate, county, and district courts.

[Bexar County Courtrooms Technology & Equipment Guide](https://www.bexar.org/DocumentCenter/View/31807/Courtroom-Technology--Equipment-Guide)
Source checked: 2026-07-28

### audio video and exhibits

Scope: courtwide

The guide recommends using the ELMO to publish pictures and the V Cart or courtroom CPU for video and audio playback, while warning counsel not to display work product or evidence not yet admitted.

Evidence excerpt: Any videos or audio recordings play better on the V Cart/ CPU.

[Bexar County Courtrooms Technology & Equipment Guide](https://www.bexar.org/DocumentCenter/View/31807/Courtroom-Technology--Equipment-Guide)
Source checked: 2026-07-28

### pretrial trial materials

Scope: courtwide

For an assigned jury trial, motions in limine, proposed jury charges, and motions concerning party alignment or peremptory strikes must be delivered to all parties by noon on the last business day before trial.

Evidence excerpt: Motions in Limine, proposed Jury Charges, and motions to realign parties or equalize peremptory strikes must be delivered to all parties by noon on the last business day before the trial date.

[Bexar County Civil District Court Local Rules](https://www.bexar.org/DocumentCenter/View/55973/Bexar-County-Civil-District-Court-Local-Rules)
Source checked: 2026-07-28

### civil remote appearances

Scope: statewide

In civil district and county court proceedings, the court may permit or require electronic participation after appropriate notice; compelled electronic participation for oral-testimony proceedings requires good cause or party agreement, and a jury trial requires party agreement.

Evidence excerpt: Upon appropriate notice by a party or the court, a court may allow or require a participant to appear at a court proceeding by videoconference, teleconference, or other available electronic means, except as otherwise provided in (2).

[Texas Rule of Civil Procedure 21d, Appearances at Court Proceedings](https://www.txcourts.gov/media/1462948/texas-rules-of-civil-procedure-july-1-2026.pdf)
Source checked: 2026-07-26

### civil recording and broadcasting

Scope: statewide

Civil district and county trial courts may permit courtroom recording or broadcasting only under Supreme Court guidelines, with the required party and witness consent, or for ceremonial proceedings.

Evidence excerpt: A trial court may permit broadcasting, televising, recording, or photographing of proceedings in the courtroom only in the following circumstances:

[Texas Rule of Civil Procedure 18c, Recording and Broadcasting of Court Proceedings](https://www.txcourts.gov/media/1462948/texas-rules-of-civil-procedure-july-1-2026.pdf)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.bexar.org/1783/150th-Civil-District-Court)
- [Official roster](https://www.bexar.org/1783/150th-Civil-District-Court)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/15599/monique-giselle-diaz/)
- [Bexar County 150th Civil District Court official judicial roster](https://www.bexar.org/1783/150th-Civil-District-Court)
- [Texas Rule of Civil Procedure 21d, Appearances at Court Proceedings](https://www.txcourts.gov/media/1462948/texas-rules-of-civil-procedure-july-1-2026.pdf)
- [Texas Rule of Civil Procedure 18c, Recording and Broadcasting of Court Proceedings](https://www.txcourts.gov/media/1462948/texas-rules-of-civil-procedure-july-1-2026.pdf)
- [Bexar County Courtrooms Technology & Equipment Guide](https://www.bexar.org/DocumentCenter/View/31807/Courtroom-Technology--Equipment-Guide)
- [Bexar County Civil District Court Local Rules](https://www.bexar.org/DocumentCenter/View/55973/Bexar-County-Civil-District-Court-Local-Rules)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/15599/monique-giselle-diaz/)

## JSON-LD

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "WebPage",
      "@id": "https://knowjudges.com/kyj/judge/monique-giselle-diaz",
      "url": "https://knowjudges.com/kyj/judge/monique-giselle-diaz",
      "name": "Monique Giselle Diaz | KnowJudges",
      "description": "Monique Giselle Diaz, Texas 150th District Court. Source-linked judicial identity, courtroom procedures, and presentation guidance.",
      "dateModified": "2026-08-02",
      "isPartOf": {
        "@id": "https://knowjudges.com/#website"
      },
      "mainEntity": {
        "@id": "https://knowjudges.com/kyj/judge/monique-giselle-diaz#judge"
      }
    },
    {
      "@type": "Person",
      "@id": "https://knowjudges.com/kyj/judge/monique-giselle-diaz#judge",
      "name": "Monique Giselle Diaz",
      "url": "https://knowjudges.com/kyj/judge/monique-giselle-diaz",
      "jobTitle": "District Judge, Bexar County 150th Civil District Court",
      "worksFor": {
        "@type": "GovernmentOrganization",
        "name": "Texas 150th District Court"
      },
      "sameAs": [
        "https://www.bexar.org/1783/150th-Civil-District-Court",
        "https://www.courtlistener.com/person/15599/monique-giselle-diaz/"
      ],
      "birthPlace": "San Antonio, TX",
      "alumniOf": [
        {
          "@type": "EducationalOrganization",
          "name": "The University of Texas at Austin"
        },
        {
          "@type": "EducationalOrganization",
          "name": "St Mary's University"
        }
      ]
    },
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "KnowJudges",
          "item": "https://knowjudges.com/kyj"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Texas",
          "item": "https://knowjudges.com/kyj/state/texas"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Monique Giselle Diaz",
          "item": "https://knowjudges.com/kyj/judge/monique-giselle-diaz"
        }
      ]
    }
  ]
}
```


## Published courtroom rules

### Shared court rules

- [Texas Rule of Civil Procedure 21d, Appearances at Court Proceedings](https://knowjudges.com/courtroom-rules/national-shared-set-119ce7e69a3752f1da3cfce0) — Scope is limited to the court class in the source claim.  Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory. [Official source](https://www.txcourts.gov/media/1462948/texas-rules-of-civil-procedure-july-1-2026.pdf). Collected 2026-07-26.
- [Texas Rule of Civil Procedure 21d, Appearances at Court Proceedings](https://knowjudges.com/courtroom-rules/national-shared-set-a5f587f769df9f3231ef4f9a) — Scope is limited to the court class in the source claim.  Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory. [Official source](https://www.txcourts.gov/media/1462948/texas-rules-of-civil-procedure-july-1-2026.pdf). Collected 2026-07-26.
